* Bath: "Kupal" can be a synonym for "bath" in Polish. It can be used to describe a bath for a person or an animal.
* Solstice: In Polish culture, "Kupała" (with an "a" at the end) refers to a celebration of the summer solstice, often marked by bonfires and festive events. So, "kupal" might be used to describe something related to this celebration, like "kupal fire" or "kupal dance".
* Name: "Kupal" can also be a masculine given name in Polish.
To accurately translate "kupal", please provide more context. What is the sentence or situation where you encountered this word?